:root {
    --bg-main: #eaeaea;
    --bg-surface: #ffffff;
    --bg-soft: #f1f4f9;

    --border: #c2c0c0;
    --border-strong: #b1b3b8;

    --text-main: #1f2937;
    --text-muted: #6b7280;

    --accent: #1a1a1b;
    --accent-hover: #171717;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.2);

    --radius: 10px;
}

html, body {
    height: 100%;
    margin: 0;
}

body {
    background: var(--bg-main);
    font-family: Inter, system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    flex: 1;
    padding: 1.5rem 1rem;
}

.content-wrapper,
.page-wrapper {
    flex: 1;
}

.header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    margin-left: 4rem;
    padding: 5px;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 32px;
    width: auto;
    display: block;
}

.header-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5rem;
    box-shadow: var(--shadow-sm);
    color: var(--text-muted);
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
}